JP2550017B2 - Associated storage type heavy goods handling device and usage - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a heavy cargo handling device for an aircraft that carries heavy cargo, in particular, an aircraft engine into and out of the fuselage, and a cargo handling device for the same. Regarding the method of use.

[Background of the Invention]

Conventionally, when an aircraft engine fails in a remote place, there is no repair shop in the field, or when the engine cannot be repaired due to a fatal failure, it is necessary to transport a repaired engine to the field. At that time, a cargo handling device is used to carry the engine into and out of the machine body.If this cargo handling device is not available at the site, transport it along with the engine on the aircraft. Must. For this reason, it is necessary that the cargo handling device can be housed in a compact body as much as possible, and various types have conventionally been proposed.

[Problems to be Solved by the Invention]

However, in the conventional cargo handling device, it is necessary to disassemble and assemble the device itself each time it is transported by aircraft, and each work at the time of disassembling and assembling is very troublesome and requires a lot of man-hours.
In addition, there is a problem in that the structure is complicated, which causes a high cost.

An object of the present invention is to solve such problems, to disassemble and assemble the cargo handling device itself, and to save a heavy storage object except for disassembling maintenance of heavy objects such as an engine. The present invention aims to provide a cargo handling device and a method of using the same.

[Means for solving the problem]

In order to achieve such an object, the present invention provides a trolley capable of traveling, a plurality of vertically extendable vertical booms fixed on the trolley, and the trolley fixedly supported on the vertical boom. At least one horizontal boom that is extendable / contractible in the traveling horizontal direction, and a suspension arm fixed to a movable portion of the horizontal boom are arranged so as to be transportable at a position between the carriage and the horizontal boom. A clamp mechanism for reversibly supporting the internal weight holding means, a vertically extendable auxiliary boom having one end supported by the fixed side end of the horizontal boom and an independent auxiliary carriage at the other end, An associated retractable heavy load handling device comprising: a vertical boom, an auxiliary boom, and a horizontal boom after suspending the heavy load holding means containing the heavy load on the horizontal boom at the time of loading. By sequentially extending The heavy-weight-containing heavy-weight holding means is carried into a heavy-weight storage location, and then the vertical boom, horizontal boom, and auxiliary boom are contracted in order to store the heavy-weight cargo handling device containing heavy weight in the storage location. On the other hand, when carrying out, after extending the horizontal boom,
The vertical boom and the auxiliary boom are respectively extended to be grounded to the grounding surface, and then the horizontal boom is contracted to carry out the heavy-weight-containing heavy object holding means to the outside of the storage location. Each of them is contracted to carry out (unload) the heavy load handling apparatus including the heavy load out of the storage location.

[Action]

Vertical orientation for adjusting the vertical position of heavy items on a normally indexed mobile trolley to enable the transport of heavy items between heavy goods storage and heavy goods storage and work areas. A telescopic vertical boom is fixed to the bogie, and a horizontal boom that is telescopic in the traveling direction of the bogie for adjusting the horizontal position of the heavy object is fixed to an end of the vertical boom that is not fixed to the bogie. The movable part of the horizontal boom is provided with a suspension arm and a clamp mechanism for fixedly supporting the heavy load holding means for holding the heavy load is fixed, and the heavy load contained in the heavy load holding means extends and contracts the horizontal boom. Along with this, the paper is conveyed between the traveling carriage and the horizontal boom in the horizontal direction of the traveling direction of the traveling carriage. The tip of the fixed side of the horizontal boom may be a notch in the bogie, but it is located at a position where it can be removed from the bogie, and an auxiliary boom that can be extended and contracted in the vertical direction is fixed there. Auxiliary carts are provided. The heavy object holding means can be fixed in the heavy object storage place clamped by the clamp mechanism.

The associated storage type heavy goods handling device is indexed to the storage location of the heavy goods holding means containing the heavy goods. The vertical boom is expanded and contracted to adjust the clamp position of the heavy load holding means and the position of the clamp mechanism so that they are clamped together, and the heavy load is accommodated on the carriage. When a truck carrying a heavy load is indexed at an appropriate position near the place where the heavy load is stored, a grounding member is used to reinforce the stability of static and rollover at a required position. The vertical boom is expanded / contracted to adjust the vertical position of the weight holding means to the stored height, and the auxiliary boom is expanded / contracted to ground the auxiliary carriage. Extend the horizontal boom and transport the heavy load holding means to the storage location and secure it. Retract the vertical boom and lift the trolley, then retract the horizontal boom to move the auxiliary trolley to the immediate outside of the heavy goods storage location. Then, the auxiliary boom is retracted to lift the auxiliary cart, and then the horizontal boom is further retracted to house the associated retractable heavy load handling device in the storage location to complete loading.

When carrying out a heavy load, the horizontal boom with the heavy load holding means fixed to the storage location is extended to move the auxiliary carriage to a position immediately outside the heavy storage location, and the auxiliary boom is extended to ground the auxiliary carriage. Extend the horizontal boom sufficiently and then extend the vertical boom to ground the dolly. Next, remove the fixing of the heavy object holding means to the storage location, retract the horizontal boom to convey the heavy object together with the heavy object holding means onto the trolley,
The vertical boom and auxiliary boom are retracted to lower the heavy object holding means to the holding position on the carriage, and the auxiliary carriage is removed from the ground.
Complete the unloading by releasing the clamp after transporting the trolley to the place of loading and unloading heavy goods.

〔Example〕

Hereinafter, the present invention will be described based on embodiments shown in the drawings.

FIG. 1 is a front view showing one embodiment of a cargo handling device for an aircraft engine, that is, an associated storage type heavy cargo handling device 1 according to the present invention, and FIG. 2 is a side view taken along the arrow II in FIG.

The accompanying storage-type heavy cargo handling device 1 includes a movable truck 2
, Vertical boom 3, horizontal boom 4, auxiliary boom 5
And a clamp mechanism 6, and a plurality of wheels 8 are rotatably supported on the front and rear portions of the lower surface of the carriage 2.

The vertical boom 3 is a plurality of hydraulic cylinders, e.g., four hydraulic cylinders, which are upright and fixed above the front and rear portions of the carriage 2 and are vertically expandable and contractible. The horizontal boom 4 is a hydraulic cylinder that is supported at the tips of the four vertical booms 3 and that is orthogonal to the vertical booms 3 and that can extend and contract in the horizontal direction of the traveling direction of the carriage. The auxiliary boom 5 is a plurality of hydraulic cylinders, e.g., two hydraulic cylinders, which are vertically extensible and supported by a fixed portion of the horizontal boom 4 so as to stand upright downward. A plurality of wheels 10 are rotatably supported at the lower end of the auxiliary boom 5. The vertical boom 3, the horizontal boom 4, and the auxiliary boom 5 are each operated by the hydraulic pressure supplied from a separately prepared hydraulic pressure generator via a connector (not shown).

The clamp mechanism 6 is attached to a lower portion of a frame 12 fixed to the movable portion 11 of the horizontal boom 4. As shown in FIG. 2, a pair of facing upright portions 12a (only the right side is shown) of the frame 12 are arranged at predetermined intervals so that the aircraft engine 20 described later can be housed with a certain gap between the upright portions 12a. The pair of claws 13 (only the right side is shown) of the clamp mechanism 6 are arranged to face each other at the lower portions of the pair of upright portions 12a, and the pair of claws 13 are provided by a hydraulic cylinder (not shown). It is designed to move in opposite vertical directions.

 Next, the operation of the embodiment of the present invention will be described.

3 to 5 show the procedure of the cargo handling method of the present invention. In order to carry the aircraft engine 20 into the body 21, first, as shown in FIG. 3, the vertical boom 3, The engine 20 is housed and placed in the accompanying retractable heavy load handling apparatus 1 in a state in which both the horizontal boom 4 and the auxiliary boom 5 are stowed to the minimum. The clamp mechanism 6 is configured to support two shipping stands 22 fixed to the lower part of the engine 20 with a pair of claws 13 (see FIG. 2). As a result, the engine 20 can be suspended from the movable portion 11 of the horizontal boom 4 via the frame 12.

Next, when the vertical boom 3 is operated and extended to the maximum extent, the engine 20 rises together with the horizontal boom 4. At the same time, the auxiliary boom 5 is operated to extend the wheel 10 until it comes in contact with the contact surface 25. In this state, open the door 23 of the aircraft 21,
When the horizontal boom 4 is fully extended, the engine 20
It is loaded into 21 and placed (see Fig. 4). Then the fifth
After storing the vertical boom 3 to the minimum as shown in the figure,
The auxiliary boom 5 in the maximum extension state is brought close to the body 21 by contracting the horizontal boom 4. In this state, when the horizontal boom 4 is contracted to the minimum after the auxiliary boom 5 is contracted to the minimum, the vertical boom 3 and the auxiliary boom 5 are stored in the machine body 21. In this way, the accompanying storage-type heavy goods handling device 1 is carried into the machine body 21 together with the engine 20.

On the other hand, when the engine 20 is carried out of the machine body 21, the horizontal boom 4 is extended to the maximum extent, and then the vertical boom 3 and the auxiliary boom 5 are extended to bring the wheels 8 and 10 into contact with the ground surface 25. Next, the horizontal boom 4 is contracted to the minimum, the engine 20 is carried out of the machine body 21, and then the vertical boom 3 and the auxiliary boom 5 are contracted. In this way, the associated storage type heavy cargo handling device 1 with the engine 20 suspended.
Are carried out of the machine body 21. Remove the grounding of the auxiliary truck and then move the truck to the place for unloading heavy objects to release the clamp.

FIG. 6 relates to another embodiment of the present invention. An auxiliary horizontal boom 28 is provided at the right end of the bogie 2, and the auxiliary horizontal boom 28 is a hydraulic cylinder that is horizontally expandable and contractible.
Wheels 29, 30 capable of contacting the ground surface 25 are rotatably supported near the right end of the auxiliary horizontal boom 28 and the left end of the bogie 2, respectively. Further, near the left end of the carriage 2 and the right end of the auxiliary horizontal boom 28, grounding members 31 capable of grounding on the grounding surface 25 are provided, respectively, and the grounding members 31 are hydraulic cylinders that are vertically expandable and contractable. Other configurations are the same as those of the accompanying storage-type heavy cargo handling device 1 shown in FIGS. 1 and 2, and a description thereof will be omitted.

Next, the operation of another embodiment of the present invention will be described. When the carriage 2 is moved along the ground contact surface 25, the ground contact member 31 is separated from the ground contact surface 25 and the wheels 29, 30 are contacted with the ground contact surface 25, as shown in FIG. Then, as shown in FIG.
When the horizontal boom 4 is extended and the engine 20 is carried into the machine body 21, in order to prevent the carriage 2 from moving and the accompanying retractable heavy load handling device 1 from rotating clockwise, FIG. As indicated by the phantom line, the auxiliary horizontal boom 28 is extended to the maximum extent, and the grounding member 31 is extended to ground the grounding surface 25. Then, after the engine 20 is placed in the machine body 21, the grounding member 31 and the auxiliary horizontal boom 28 are sequentially contracted to the minimum, and as shown in FIG.
Contract to a minimum.

The other operations are the same as those of the accompanying storage-type heavy cargo handling device 1 shown in FIGS. 1 and 2, and a description thereof will be omitted.

The accompanying stowage-type heavy cargo handling device 1 according to the present invention is
The present invention is not limited to the aircraft engine 20, and can be applied to cargo handling of other heavy products.

〔The invention's effect〕

As described above, according to the present invention, the heavy-weight-containing heavy-weight holding means is carried into the heavy-weight storage location by expanding and contracting the vertical boom, the horizontal boom, and the auxiliary boom, respectively.
After fixing the heavy load holding means to the storage location, the vertical boom, horizontal boom and auxiliary boom are contracted to make it compact without removing the cargo handling equipment, and the cargo handling equipment together with the heavy load holding means is stored in the heavy load storage location. it can. When unloading the heavy-weight-included heavy-weight holding means, the operation opposite to that for carrying-in is performed to lower the heavy-weight-included heavy-weight cargo handling device to the ground, and the trolley is moved to transport and carry it to another storage location. Alternatively, it can be transported to the maintenance site and unclamped, so it is possible anytime you want to carry out cargo handling work, no need to disassemble and assemble the cargo handling equipment itself, a special storage place for cargo handling equipment is required except during maintenance This makes it possible to load and unload heavy objects without any hassle.

[Brief description of drawings]

FIG. 1 is a front view of the associated stowage-type heavy cargo handling apparatus, FIG. 2 is a side view of a partial vertical cross-section of FIG. 1 taken along the arrow II, and FIG. Fig. 4 is a partial front view showing a state in which the engine is carried into the fuselage and the vertical boom and the auxiliary boom are maximally extended. Fig. 5 is the state in which the vertical boom and the auxiliary boom are maximally contracted. FIG. 6 is a front view showing a state, and FIG. 6 is a schematic partial front view of an associated stowage type heavy cargo handling apparatus according to another embodiment of the present invention. 1 ... Associated storage type heavy cargo handling device, 2 ... Truck, 3 ...
Vertical boom, 4 ... Horizontal boom, 5 ... Auxiliary boom, 20 ... Aircraft engine, 21 ... Airframe, 25 ... Ground plane.

Continuation of the front page (56) References Open 59-196352 (JP, U) Open 59-160439 (JP, U) Open 58-179232 (JP, U) Open 49-24811 (JP) , Y1)

Claims (4)

(57) [Claims] 1. A trolley capable of traveling, a plurality of vertically extensible vertical booms fixed on the trolley, and at least one horizontally extensible horizontally fixedly supported on the vertical booms. A horizontal boom, and a clamp mechanism having a suspension arm fixed to a movable part of the horizontal boom for fixedly supporting a heavy load holding means including a heavy load so as to be transported between the horizontal boom and the carriage, A vertically boomable auxiliary boom having one end fixedly supported by the horizontal boom and having an independent auxiliary carriage at the other end; and a heavy object holding means including the heavy object is fixed to the clamp mechanism. The vertical boom, the auxiliary boom, and the auxiliary boom after the heavy object holding means including the temporarily installed heavy object is supported by the clamp mechanism. Note that after the horizontal booms are respectively extended to be transported to the storage location and fixed to the storage location, the vertical boom, the auxiliary boom, and the horizontal boom are retracted so that the entire apparatus including the carriage can be stored in the storage location. Retractable heavy goods handling device. 2. The apparatus according to claim 1, wherein the carriage is further provided with an auxiliary horizontal boom with auxiliary wheels that is extendable and retractable in the extension and contraction direction of the horizontal boom. 3. The apparatus according to claim 2, further comprising a grounding member that impairs a traveling function is attached to the carriage and the auxiliary carriage. 4. A trolley capable of traveling, a plurality of vertically extensible vertical booms fixed on the trolley, and at least one horizontally extensible horizontally fixedly supported on the vertical boom. A horizontal boom, and a clamp mechanism having a suspension arm fixed to a movable part of the horizontal boom that fixedly supports a heavy object holding means including a heavy object that can be conveyed between the horizontal boom and the carriage, A vertically boomable auxiliary boom having one end fixedly supported by the horizontal boom and an independent auxiliary carriage at the other end, and a heavy load holding means including the heavy load by adjusting the expansion and contraction of each boom. A method of using the associated stowage-type heavy cargo handling device configured to be able to store the entire device after storing the stowage system, wherein the step of preparing the associated stowage-type heavy cargo handling device; and the step of grounding the auxiliary cart, The step of adjusting the height of the clamp mechanism to the clamp position of the heavy load holding means by adjusting the vertical boom and the auxiliary boom to expand and contract, and the heavy load holding means including the heavy load by the clamp mechanism in the contracted state of the horizontal boom. Clamping, extending the vertical boom and auxiliary boom to lift to a height suitable for storing a heavy load in the storage location, and extending the horizontal boom to hold a heavy load containing heavy load. Transporting and fixing the robot to the storage position, contracting the vertical boom and then contracting the horizontal boom to bring the auxiliary boom as close to the heavy goods storage location as possible, and contracting the auxiliary boom. After that, the horizontal boom is retracted as much as possible, and the associated retractable heavy load handling device is placed together with the heavy load at the heavy load storage location. And a step of retracting the auxiliary boom to extend the horizontal boom of the associated retractable heavy load handling apparatus stored in the heavy goods storage location together with the heavy goods to extend the auxiliary boom immediately. Positioning the auxiliary boom near the outside position, extending the auxiliary boom to ground the auxiliary carriage, further extending the horizontal boom to reach the extended position, and extending the vertical boom to Grounding the trolley, releasing the fixing of the heavy load holding means including the heavy load to the storage location, contracting the horizontal boom, and the heavy load holding means including the heavy load still clamped by the clamp mechanism. A step of transporting, and a heavy load is lowered to a position convenient for causing the vertical boom and the auxiliary boom to contract to move the carriage. And a unloading method of the heavy object after adjusting the position of the heavy object to a position convenient for unclamping the heavy object at the unclamping location of the heavy object, and unloading the heavy object. How to use the accompanying storage type heavy cargo handling device.